<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="/Admin/adminLogin">
        id:
        <input type="text" name="adminId"> <br>
        password:
        <input type="text" name="adminPassword"> <br>
        <button type="submit">login</button>
        <br>
        <p th:text="${msg}"></p>
    </form>
</body>
</html>